Frederic John Walker
Royal Navy captain
Captain Frederic John Walker, (3 June 1896 – 9 July 1944) (his first name is given as Frederick in the Oxford Dictionary of National Biography and some London Gazette entries) was a British Royal Navy officer noted for his exploits during the Second World War. Walker was the most successful anti-submarine warfare commander during the Battle of the Atlantic, and was known popularly as Johnnie Walker (after the Johnnie Walker brand of whisky).
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